Ravi Industries manufactures Thermic Fluid Stack Heat Recovery System. Ravi Industries is an ISO 9000 company and manufactures process equipment and Energy saving equipment. Thermic Fluid Stack Heat Recovery System produces gases out of the combustion inside the Thermic fluid heater are further exhausted to chimney. The gases going to chimney are hot and carry enough waste heat. The waste heat of these gases can be recovered to a temperature limiting to sulphar condensation point. Thermic Fluid Stack Heat Recovery System has hot water of 85 degree Celsius can be produce out of heat exchanger placed between the boiler and chimney. This system consists of a heat exchanger, condensate tank; inter connecting piping, circulation pumps and safety devices.